A Rinodina with a light grey to white endolithic thallus (i.e., immersed in the rock substrate) and apothecia immersed in the thallus. Its spores have a strongly pigmented band around the central septum (Bischoffii spore type). It grows exclusively on calcareous rocks, mainly on limestone at exposed places, such as rocky steppes. In Europe, R. immersa is widely distributed in calcareous areas from the lowlands to the alpine belt, its centre of distribution lies in the southern part of the continent. In the Czech Republic, it is only known from the Pálava Hills, Český kras and Moravský kras (the Bohemian and Moravian karsts).taxonomic classification:
All records: 15, confirmed 9. One click on a selected square displays particular record(s), including their source(s).